“SISTEM INFORMASI ANTRIAN PROGRESIF PADA BADAN PENGELOLAAN PAJAK DAN RETRIBUSI DAERAH UPT PPD MEDAN SELATAN”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 6, no. 3 (October 16, 2023): 663–668. Accessed April 13, 2026. https://jurnal.goretanpena.com/index.php/JSSR/article/view/1471.